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godot/modules/chibi/cp_player_data_notes.cpp

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GODOT IS OPEN SOURCE
2014-02-10 01:10:30 +00:00
/*************************************************************************/
/* cp_player_data_notes.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
Use HTTPS URL for Godot's website in the headers
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/* https://godotengine.org */
GODOT IS OPEN SOURCE
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/*************************************************************************/
Update copyright statements to 2020 And apply clang-format 10 to the codebase.
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "cp_player_data.h"
#include "cp_sample_manager.h"
#define RANDOM_MAX 2147483647
static inline int32_t cp_random_generate(int32_t *seed) {
int32_t k;
int32_t s = (int32_t)(*seed);
if (s == 0)
s = 0x12345987;
k = s / 127773;
s = 16807 * (s - k * 127773) - 2836 * k;
if (s < 0)
s += 2147483647;
(*seed) = (int32_t)s;
return (int32_t)(s & RANDOM_MAX);
}
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void CPPlayer::process_new_note(int p_track, uint8_t p_note) { // if there's really a new note....
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if (control.channel[p_track].real_note != 255) {
control.channel[p_track].old_note = control.channel[p_track].real_note;
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}
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control.channel[p_track].real_note = p_note;
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control.channel[p_track].kick = KICK_NOTE;
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control.channel[p_track].sample_start_index = -1;
control.channel[p_track].sliding = 0;
control.channel[p_track].row_has_note = true;
control.channel[p_track].last_event_usecs = song_usecs;
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if (control.channel[p_track].panbrello_type) control.channel[p_track].panbrello_position = 0;
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}
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bool CPPlayer::process_new_instrument(int p_track, uint8_t p_instrument) {
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// bool different_instrument=false;
ERR_FAIL_INDEX_V(p_instrument, CPSong::MAX_INSTRUMENTS, false);
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if (song->has_instruments()) {
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control.channel[p_track].instrument_ptr = song->get_instrument(p_instrument);
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} else {
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control.channel[p_track].instrument_ptr = NULL;
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}
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control.channel[p_track].retrig_counter = 0;
control.channel[p_track].tremor_position = 0;
control.channel[p_track].sample_offset_fine = 0;
int old_instr_index = control.channel[p_track].instrument_index;
control.channel[p_track].instrument_index = p_instrument;
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return (old_instr_index != p_instrument);
}
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// returns if it was able to process
bool CPPlayer::process_note_and_instrument(int p_track, int p_note, int p_instrument) {
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bool aux_result;
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aux_result = false;
CPSample *aux_sample = 0; // current sample
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int dest_sample_index;
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bool new_instrument = false;
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control.channel[p_track].row_has_note = false; // wise man says.. "we dont have a note... until we really know we have a note".
control.channel[p_track].new_instrument = false;
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if ((p_note < 0) && (p_instrument < 0)) return aux_result; // nothing to do here
if ((p_note == 255) && (p_instrument == 255)) return aux_result;
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if ((p_note >= 0) && (p_note < 120)) {
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process_new_note(p_track, p_note);
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} else if (p_note == CPNote::CUT) {
control.channel[p_track].aux_volume = 0;
control.channel[p_track].note_end_flags |= END_NOTE_OFF;
control.channel[p_track].note_end_flags |= END_NOTE_KILL;
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return aux_result;
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} else if ((p_note == CPNote::OFF) && (song->has_instruments())) {
if (control.channel[p_track].instrument_ptr != NULL) {
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control.channel[p_track].note_end_flags |= END_NOTE_OFF;
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if (!control.channel[p_track].instrument_ptr->get_volume_envelope()->is_enabled() || control.channel[p_track].instrument_ptr->get_volume_envelope()->is_loop_enabled()) {
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control.channel[p_track].note_end_flags |= END_NOTE_FADE;
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}
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}
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return aux_result;
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} else
return aux_result; // invalid note!
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if ((p_instrument >= 0) && (p_instrument < CPSong::MAX_INSTRUMENTS)) {
new_instrument = process_new_instrument(p_track, p_instrument);
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if (song->has_instruments()) {
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// If we're in instrument mode...
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if (control.channel[p_track].instrument_ptr->get_sample_number(control.channel[p_track].real_note) >= CPSong::MAX_SAMPLES) {
control.channel[p_track].kick = KICK_NOTHING;
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return aux_result;
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} else {
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dest_sample_index = control.channel[p_track].instrument_ptr->get_sample_number(control.channel[p_track].real_note);
control.channel[p_track].note = control.channel[p_track].instrument_ptr->get_note_number(control.channel[p_track].real_note);
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}
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} else {
// If we're in sample mode...
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dest_sample_index = control.channel[p_track].instrument_index;
control.channel[p_track].note = control.channel[p_track].real_note;
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}
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control.channel[p_track].sample_index = dest_sample_index;
aux_sample = song->get_sample(dest_sample_index);
if (!CPSampleManager::get_singleton()->check(aux_sample->get_sample_data())) {
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/* INVALID SAMPLE */
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control.channel[p_track].kick = KICK_NOTHING;
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return aux_result;
}
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aux_sample = song->get_sample(dest_sample_index);
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} else {
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if (!control.channel[p_track].sample_ptr)
return aux_result;
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if (song->has_instruments()) {
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if (!control.channel[p_track].instrument_ptr)
return aux_result;
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control.channel[p_track].note = control.channel[p_track].instrument_ptr->get_note_number(control.channel[p_track].real_note);
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} else {
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control.channel[p_track].note = control.channel[p_track].real_note;
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}
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aux_sample = control.channel[p_track].sample_ptr;
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}
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if (p_instrument >= CPSong::MAX_INSTRUMENTS && control.channel[p_track].sample_ptr != aux_sample) {
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control.channel[p_track].new_instrument = (control.channel[p_track].period > 0);
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}
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control.channel[p_track].sample_ptr = aux_sample;
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/* channel or instrument determined panning ? */
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control.channel[p_track].panning = control.channel[p_track].channel_panning;
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/* set filter,if any ? */
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if (aux_sample->is_pan_enabled()) {
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control.channel[p_track].panning = (int)aux_sample->get_pan() * 255 / 64;
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} else if (song->has_instruments() && (control.channel[p_track].instrument_ptr->is_pan_default_enabled())) {
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control.channel[p_track].panning = (int)control.channel[p_track].instrument_ptr->get_pan_default_amount() * 255 / 64;
}
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if (song->has_instruments()) {
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/* Pitch-Pan Separation */
if ((control.channel[p_track].instrument_ptr->get_pan_pitch_separation() != 0) && (control.channel[p_track].channel_panning != PAN_SURROUND)) {
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control.channel[p_track].panning += ((control.channel[p_track].real_note - control.channel[p_track].instrument_ptr->get_pan_pitch_center()) * control.channel[p_track].instrument_ptr->get_pan_pitch_separation()) / 8;
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if (control.channel[p_track].panning < PAN_LEFT) control.channel[p_track].panning = PAN_LEFT;
if (control.channel[p_track].panning > PAN_RIGHT) control.channel[p_track].panning = PAN_RIGHT;
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}
/* Random Volume Variation */
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if (control.channel[p_track].instrument_ptr->get_volume_random_variation() > 0) {
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control.channel[p_track].random_volume_variation = 100 - (cp_random_generate(&control.random_seed) % control.channel[p_track].instrument_ptr->get_volume_random_variation());
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} else {
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control.channel[p_track].random_volume_variation = 100;
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}
/* Random Pan Variation */
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if ((control.channel[p_track].instrument_ptr->get_pan_random_variation() > 0) && (control.channel[p_track].panning != PAN_SURROUND)) {
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int aux_pan_modifier;
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aux_pan_modifier = (cp_random_generate(&control.random_seed) % (control.channel[p_track].instrument_ptr->get_pan_random_variation() << 2));
if ((cp_random_generate(&control.random_seed) % 2) == 1) aux_pan_modifier = 0 - aux_pan_modifier; /* it's 5am, let me sleep :) */
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control.channel[p_track].panning += aux_pan_modifier;
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if (control.channel[p_track].panning < PAN_LEFT) control.channel[p_track].panning = PAN_LEFT;
if (control.channel[p_track].panning > PAN_RIGHT) control.channel[p_track].panning = PAN_RIGHT;
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}
/*filter*/
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if (control.channel[p_track].instrument_ptr->filter_use_default_cutoff()) {
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control.channel[p_track].filter.it_cutoff = control.channel[p_track].instrument_ptr->get_filter_default_cutoff() * 2;
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}
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if (control.channel[p_track].instrument_ptr->filter_use_default_resonance()) {
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control.channel[p_track].filter.it_reso = control.channel[p_track].instrument_ptr->get_filter_default_resonance() * 2;
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}
Bring that Whole New World to the Old Continent too Applies the clang-format style to the 2.1 branch as done for master in 5dbf1809c6e3e905b94b8764e99491e608122261.
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/*envelopes*/
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control.channel[p_track].volume_envelope_on = control.channel[p_track].instrument_ptr->get_volume_envelope()->is_enabled();
control.channel[p_track].panning_envelope_on = control.channel[p_track].instrument_ptr->get_pan_envelope()->is_enabled();
control.channel[p_track].pitch_envelope_on = control.channel[p_track].instrument_ptr->get_pitch_filter_envelope()->is_enabled();
control.channel[p_track].NNA_type = control.channel[p_track].instrument_ptr->get_NNA_type();
control.channel[p_track].duplicate_check_type = control.channel[p_track].instrument_ptr->get_DC_type();
control.channel[p_track].duplicate_check_action = control.channel[p_track].instrument_ptr->get_DC_action();
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} else {
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control.channel[p_track].NNA_type = CPInstrument::NNA_NOTE_CUT;
control.channel[p_track].duplicate_check_type = CPInstrument::DCT_DISABLED;
control.channel[p_track].duplicate_check_action = CPInstrument::DCA_NOTE_CUT;
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}
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if (p_instrument < CPSong::MAX_INSTRUMENTS) { // instrument change
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control.channel[p_track].volume = control.channel[p_track].aux_volume = aux_sample->get_default_volume();
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}
Bring that Whole New World to the Old Continent too Applies the clang-format style to the 2.1 branch as done for master in 5dbf1809c6e3e905b94b8764e99491e608122261.
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control.channel[p_track].slide_to_period = control.channel[p_track].aux_period = get_period((uint16_t)(control.channel[p_track].note) << 1, CPSampleManager::get_singleton()->get_c5_freq((aux_sample->get_sample_data())));
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control.channel[p_track].note_end_flags = END_NOTE_NOTHING; /* clears flags */
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return true;
}
Bring that Whole New World to the Old Continent too Applies the clang-format style to the 2.1 branch as done for master in 5dbf1809c6e3e905b94b8764e99491e608122261.
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void CPPlayer::process_volume_column(int p_track, uint8_t p_volume) {
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control.channel[p_track].current_volume_command = CPNote::EMPTY;
control.channel[p_track].current_volume_parameter = CPNote::EMPTY;
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if (p_volume < 65) { // VOLUME
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control.channel[p_track].aux_volume = p_volume;
} else if (p_volume < 125) { // Volume Command
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control.channel[p_track].current_volume_command = (p_volume - 65) / 10;
control.channel[p_track].current_volume_parameter = (p_volume - 65) % 10;
} else if (p_volume < 193) { // PAN
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control.channel[p_track].channel_panning = (p_volume - 128) * PAN_RIGHT / 64;
control.channel[p_track].panning = control.channel[p_track].channel_panning;
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} else if (p_volume < 213) { //More volume Commands
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control.channel[p_track].current_volume_command = ((p_volume - 193) / 10) + 6;
control.channel[p_track].current_volume_parameter = (p_volume - 193) % 10;
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}
}
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void CPPlayer::process_note(int p_track, CPNote p_note) {
if (p_note.note != CPNote::SCRIPT) {
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process_note_and_instrument(p_track, p_note.note, p_note.instrument);
process_volume_column(p_track, p_note.volume);
control.channel[p_track].current_command = p_note.command;
control.channel[p_track].current_parameter = p_note.parameter;
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} else {
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CPNote n = song->get_pattern(control.position.current_pattern)->get_transformed_script_note(p_track, control.position.current_row);
process_note(p_track, n);
song->get_pattern(control.position.current_pattern)->scripted_clone(p_track, control.position.current_row);
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}
}